I am very excited and confused at the same time. Makes no sense to N55 power this as the M235 with a tune will have the same output for far cheaper. Should have an S derived motor. Hopefully it comes DCT

Tuned M235 =/= M2. In the same way a tuned 335i =/= M3.

Any further questions?

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"... but really, you just gotta ... you just gotta turn it all off, boys! You gotta turn it all off and you gotta wreck some tires! That's what M cars are all about, isn't it?"

Granted from a suspension handling point it should be superior but if they are just beefing up the suspension steering brakes and chassis and popping a OEM JB tune on the n55 that's a bit disappointing

Big difference between N54 and N55 tho - the N54 already had forged internals and was given M massaging for the 1M...the N55 is clearly limited by the lack of forged internals - didn't they have to change the crankcase or something to get it up to 326 BHP for the M235?

How in the hell are they going to get to 380 BHP without doing a whole lot more than that???

Exactly. As a 1M owner I hope for more than just a drop in N55, the N54T was designed for the 1M

You do know that the new m3/4 is using pretty much a N55 just with 2 turbo's right? If they're getting 365 hp from the n55 that's a good thing to know on our end.

You're correct... but the N55 is basically (in simple terms, I know there are specific differences) a single turbo version of the N54, making the M3/4 motors like the N54. I personally love the N54 motor and am confident that the M3/4 motor is going to be amazing.

My problem is the M car (I know they used the N54 in the 1M, but I'm sure that was due to the low volume build) should have a bespoke engine. That's what I'm looking for when paying this kind of money. Make sense?

I for one, am absolutely THRILLED they're using the N55. It's solid. All the kinks have been worked out. There is a lot of power left on the table. It sounds fantastic! It remains to be seen if it will be single or twin turbo.

And the obvious question, why not a de-tuned S55?

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"... but really, you just gotta ... you just gotta turn it all off, boys! You gotta turn it all off and you gotta wreck some tires! That's what M cars are all about, isn't it?"

Big difference between N54 and N55 tho - the N54 already had forged internals and was given M massaging for the 1M...the N55 is clearly limited by the lack of forged internals - didn't they have to change the crankcase or something to get it up to 326 BHP for the M235?

How in the hell are they going to get to 380 BHP without doing a whole lot more than that???

Many comments about forged this and that and yet to see it all besides talk. Have you pulled a part the n55 to go over its internals. Have you seen anyone use a bigger turbo to see what the motors can really handle? Stop this hear say, obviously Bmw knows what they're doing!

Many comments about forged this and that and yet to see it all besides talk. Have you pulled a part the n55 to go over its internals. Have you seen anyone use a bigger turbo to see what the motors can really handle? Stop this hear say, obviously Bmw knows what they're doing!

Actually having been intimately involved in BMW products for 2 years I can shed light on it. The pistons and rods are different as well as the part numbers. N55s have cast rods.